FR2549048B1 - PROCESS FOR THE PREPARATION OF 2,6-DIFLUOROBENZONITRILE FROM 2,6-DICHLOROBENZONITRILE - Google Patents

PROCESS FOR THE PREPARATION OF 2,6-DIFLUOROBENZONITRILE FROM 2,6-DICHLOROBENZONITRILE

Info

Publication number
FR2549048B1
FR2549048B1 FR8409817A FR8409817A FR2549048B1 FR 2549048 B1 FR2549048 B1 FR 2549048B1 FR 8409817 A FR8409817 A FR 8409817A FR 8409817 A FR8409817 A FR 8409817A FR 2549048 B1 FR2549048 B1 FR 2549048B1
Authority
FR
France
Prior art keywords
dichlorobenzonitrile
difluorobenzonitrile
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR8409817A
Other languages
French (fr)
Other versions
FR2549048A1 (en
Inventor
Yasuhiro Tsujii
Shigeo Murai
Tatsuo Isogai
Keiichiko Ito
Sadao Tsukada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ishihara Sangyo Kaisha Ltd
Original Assignee
Ishihara Sangyo Kaisha Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ishihara Sangyo Kaisha Ltd filed Critical Ishihara Sangyo Kaisha Ltd
Publication of FR2549048A1 publication Critical patent/FR2549048A1/en
Application granted granted Critical
Publication of FR2549048B1 publication Critical patent/FR2549048B1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR8409817A 1983-06-23 1984-06-22 PROCESS FOR THE PREPARATION OF 2,6-DIFLUOROBENZONITRILE FROM 2,6-DICHLOROBENZONITRILE Expired FR2549048B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11348083A JPS604159A (en) 1983-06-23 1983-06-23 Production of fluorobenzonitrile compound

Publications (2)

Publication Number Publication Date
FR2549048A1 FR2549048A1 (en) 1985-01-18
FR2549048B1 true FR2549048B1 (en) 1987-12-24

Family

ID=14613344

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8409817A Expired FR2549048B1 (en) 1983-06-23 1984-06-22 PROCESS FOR THE PREPARATION OF 2,6-DIFLUOROBENZONITRILE FROM 2,6-DICHLOROBENZONITRILE

Country Status (5)

Country Link
JP (1) JPS604159A (en)
CH (1) CH660361A5 (en)
DE (1) DE3422936A1 (en)
FR (1) FR2549048B1 (en)
GB (1) GB2142018B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6023358A (en) * 1983-07-19 1985-02-05 Ishihara Sangyo Kaisha Ltd 2,4,6-trifluorobenzonitrile
US5200548A (en) * 1984-06-04 1993-04-06 Bayer Aktiengesellschaft 2,4,5-Trihalogeno- and 2,3,4,5-tetrahalogenobenzene derivatives
US5530158A (en) * 1984-06-04 1996-06-25 Bayer Aktiengesellschaft 2,4,5-trihalogeno- and 2,3,4,5-tetrahalogenobenzene derivatives
US5502235A (en) * 1994-12-28 1996-03-26 Dowelanco Solventless process for making 2,6 difluorobenzonitrile
US6437168B1 (en) 2000-09-05 2002-08-20 Nippon Shokubai Co., Ltd. Method for production of aromatic fluorine compound
CN104387289B (en) * 2014-10-30 2017-09-01 天津河清化学工业有限公司 The method of catalyst amount is reduced in difluorobenzonilyile production

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1026290A (en) * 1964-03-17 1966-04-14 Robert Neville Haszeldine Aromatic fluorine compounds
US3240824A (en) * 1965-01-28 1966-03-15 Olin Mathieson Process for preparing fluoronitrobenzenes

Also Published As

Publication number Publication date
JPH0216746B2 (en) 1990-04-18
JPS604159A (en) 1985-01-10
GB2142018B (en) 1986-12-10
GB2142018A (en) 1985-01-09
DE3422936C2 (en) 1989-11-16
CH660361A5 (en) 1987-04-15
DE3422936A1 (en) 1985-01-03
GB8415348D0 (en) 1984-07-18
FR2549048A1 (en) 1985-01-18

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse